Claims
- 1. A reproducing apparatus in a system in which luminance signals are converted by a first conversion process into converted luminance signals, while color information signals are converted by a second conversion process into converted color information signals, both types of signals being multiplexed to form recording signals, which are recorded on a record bearing medium, said reproducing apparatus being arranged to reproduce said recording signals from said record bearing medium, to restore said luminance signals and to separately output the luminance signals and the color information signals, said reproducing apparatus comprising:
- a reproducing head for reproducing said recording signals from said record bearing medium;
- separating means for separating said converted luminance signals and said converted color information signals from said recording signals reproduced by said reproducing head;
- first inverse-conversion processing means for applying a first inverse-conversion process inverse to said first conversion process to said converted luminance signals separated by said separating means, so as to form said luminance signals;
- second inverse-conversion processing means for applying a second inverse-conversion process inverse to said second conversion process to said converted color information signals separated by said separating means so as to form said color information signals;
- color video signal forming means for forming color video signals by using said luminance signals formed by said first inverse-conversion processing means and said color information signals formed by said second inverse-conversion processing means;
- a first output terminal for outputting said luminance signals formed by said first inverse-conversion processing means to other external devices;
- a second output terminal for outputting said color information signals formed by said second inverse-conversion processing means to said other external devices; and
- a third output terminal for feeding to the outside of the apparatus said color video signals formed by said color video signal forming means.
- 2. An apparatus according to claim 1, wherein said converted luminance signals include modulated luminance signals.
- 3. An apparatus according to claim 2, wherein said first inverse-conversion processing means includes a first demodulating circuit for demodulating said modulated luminance signals into the chrominance signals.
- 4. An apparatus according to claim 1, wherein said converted color information signals include modulated color information signals.
- 5. An apparatus according to claim 2, wherein said second inverse-conversion processing means includes a second demodulating circuit for demodulating said modulated color information signals into said color information signals.
- 6. An apparatus according to claim 1, wherein said converted luminance signals include frequency modulated luminance signals.
- 7. An apparatus according to claim 6, wherein said first inverse-conversion processing means includes a first frequency demodulating circuit for demodulating said frequency modulated luminance signals into said luminance signals.
- 8. An apparatus according to claim 1, wherein said converted color information signals include frequency modulated color information signals.
- 9. An apparatus according to claim 8, wherein said second inverse-conversion processing means includes a second frequency demodulating circuit for demodulating said frequency modulated color information signals into said color information signals.
- 10. A reproducing apparatus in a system in which luminance signals are converted by a first conversion process into converted luminance signals, while color information signals consisting of two kinds of color difference signals are converted by a second conversion process into converted color information signals, both said types of signals being multiplexed to form recording signals which are recorded on a record bearing medium, said reproducing apparatus being arranged to reproduce said recording signals from said record bearing medium, to restore said luminance signals and said color information signals from the reproduced recording signals and to separately output said luminance signals and said color information signals, said reproducing apparatus comprising:
- a reproducing head for reproducing said recording signals from said record bearing medium;
- separating means for separating said converted luminance signals and said converted color information signals from said recording signals reproduced by said reproducing head;
- first inverse-conversion processing means for applying a first inverse-conversion process inverse to said first conversion process to said converted luminance signals separated by said separating means so as to form said luminance signals;
- color video signal forming means for forming color video signals by using said luminance signals formed by said first inverse-conversion processing means and said color information signals formed by said second inverse-conversion processing means;
- a first output terminal for outputting said luminance signals formed by said first inverse-conversion processing means to other external devices;
- a second output terminal for outputting said color information signals formed by said second inverse-conversion processing means to said external devices; and
- a third output terminal for feeding to the outside of the apparatus said color video signals formed by said color video signal forming means.
- 11. An apparatus according to claim 10, wherein said color information signals include line sequential color difference signals.
- 12. An apparatus according to claim 11, wherein said color video signal forming means includes coincidence means for effecting coincidence of the line sequential color difference signals formed by said second conversion means and outputting two kinds of color difference signals.
- 13. An apparatus according to claim 12, wherein said color video signal forming means is arranged to form composite color television signals by using the luminance signals formed by said first conversion processing means and the two kinds of color difference signals outputted from said coincidence means.
- 14. An apparatus according to claim 12, wherein said color video signal forming means is arranged to form R.G.B. signals by using the luminance signals formed by said first conversion processing means and the two kinds of color difference signals outputted from said coincidence means.
- 15. A color video signal recording apparatus for recording a color video signal on a recording medium, comprising:
- (a) a first input terminal for inputting luminance signals outputted from other external devices;
- (b) a second input terminal for inputting color information signals outputted form the other external devices;
- (c) first conversion processing means for effecting a first conversion process of said luminance signals inputted from said first input terminal to form converted luminance signals, and outputting said converted luminance signals;
- (d) second conversion processing means for effecting a second conversion process of said color information signals inputted form said second input terminal to form converted color information signals and outputting said converted color information signals; and
- (e) recording means for recording on a recording medium said converted luminance signals outputted from said first conversion processing means and said converted color information signals outputted from said second conversion processing means.
- 16. A color video signal recording apparatus according to claim 15, wherein the color video signal for one frame is constituted by the color video signal for two fields.
- 17. A color video signal recording apparatus according to claim 16, wherein said recording means is arranged to multiplex the converted luminance signal for one field outputted form said first conversion processing means and the converted color information signal for one field outputted from said second conversion processing means and to record the multiplexed signal on one track of the recording medium.
- 18. A color video signal recording apparatus according to claim 15, wherein said first conversion processing means includes first frequency modulating means which frequency modulates the luminance signal received through said first input terminal and outputs the frequency modulated luminance signal.
- 19. A color video signal recording apparatus according to claim 18, wherein said second conversion processing means includes second frequency modulating means which frequency modulates the color information signal received through said second input terminal and outputs the frequency modulated color information signal.
- 20. A color video signal recording apparatus according to claim 19, wherein said recording means includes frequency multiplexing means for multiplexing the frequency modulated luminance signal outputted from said first frequency modulating means and the frequency modulated color information signal outputted from said second frequency modulating means.
- 21. A color video signal recording apparatus according to claim 15, wherein said color information signal includes a color-difference line sequential signal.
- 22. A color video signal recording apparatus for recording a color video signal on a recording medium, comprising:
- (a) a first input terminal for inputting luminance signals from outside;
- (b) a second input terminal for inputting color information signals from outside;
- (c) a third input terminal for inputting color video signals from outside;
- (d) signal forming means for forming the luminance and the color information signals using said color video signals inputted from said third input terminal and outputting the luminance and color information signals;
- (e) selective output means for selectively outputting one of said luminance and color information signals inputted from said first and second terminals, and said luminance and color information signals inputted from said signal forming means;
- (f) first conversion processing means for effecting a first conversion process of said luminance signals outputted from said selective output means to form converted luminance signals and outputting the converted luminance signals;
- (g) second conversion processing means for effecting a second conversion process of said color information signals outputted from said selective output means to form converted color information signals and outputting the converted color information signals; and
- (h) recording means for recording on a recording medium said converted luminance signals outputted from said first conversion processing means and said converted color information signals outputted from said second conversion processing means.
- 23. A color video signal recording apparatus according to claim 22, wherein the color video signal for one frame is constituted by the color video signal for two fields.
- 24. A color video signal recording apparatus according to claim 23, wherein said recording means is arranged to multiplex the converted luminance signal for one field outputted from said first conversion processing means and the converted color information signal for one field outputted from said second conversion processing means and to recording the multiplexed signal on one track of the recording medium.
- 25. A color video signal recording apparatus according to claim 22, wherein said first conversion processing means includes first frequency modulating means which frequency modulates the luminance signal received through said selective output means and outputs the frequency modulated luminance signal.
- 26. A color video signal recording apparatus according to claim 25, wherein said second conversion processing means includes second frequency modulating means which frequency modulates the color information signal received through said selective output means and outputs the frequency modulated color information signals.
- 27. A color video signal recording apparatus according to claim 26, wherein said recording means includes frequency multiplexing means for multiplexing the frequency modulated luminance signal outputted from said first frequency modulating means and the frequency modulated color information signal outputted from said second frequency modulating means.
- 28. A color video signal recording apparatus according to claim 22, wherein said color information signal includes a color-difference line sequential signal.
Priority Claims (4)
Number |
Date |
Country |
Kind |
59-138252 |
Jul 1984 |
JPX |
|
59-138253 |
Jul 1984 |
JPX |
|
59-138254 |
Jul 1984 |
JPX |
|
59-138255 |
Jul 1984 |
JPX |
|
Parent Case Info
This is a continuation application of U.S. patent application Ser. No. 07/164,063, filed Mar. 3, 1988, now abandoned which in turn is a continuation application of U.S. patent application Ser. No. 06/751,068, filed July 2, 1985 now U.S. Pat. No. 4,746,992.
US Referenced Citations (3)
Number |
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Date |
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4100567 |
Yoshinaka |
Jul 1978 |
|
4178606 |
Hirota |
Dec 1979 |
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4242699 |
Kobayashi et al. |
Dec 1980 |
|
Continuations (2)
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Number |
Date |
Country |
Parent |
164063 |
Mar 1988 |
|
Parent |
751068 |
Jul 1985 |
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